Sensitive fluorescence detection of baicalin in biological samples using Eu3+-based metal-organic frameworks DOI
Hao Zhang, Y. Chen, Runnan Wang

et al.

Journal of Rare Earths, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 1, 2024

Language: Английский

On–Off Ratiometric Fluorescence Europium(III) Metal–Organic Framework for Quantitative Detection of the Inflammatory Marker Neopterin DOI

Chao Hong,

Ling Li, Ji‐Yong Zou

et al.

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(10), P. 4697 - 4706

Published: Feb. 26, 2024

Benefiting from the unique photoluminescence behavior of lanthanide(III) ions and organic ligands, a metal-organic framework (Ln-MOF) material can simultaneously demonstrate cations molecules endow its superior applications fluorescence sensing behaviors. Herein, we present europium(III) MOF {[Eu

Language: Английский

Citations

21

Energy transfer engineering in lanthanide metal-organic frameworks for ratiometric fluorescence sensing DOI

Zhong Wei Jiang,

Xue Gong, Pu Zhang

et al.

TrAC Trends in Analytical Chemistry, Journal Year: 2025, Volume and Issue: unknown, P. 118133 - 118133

Published: Jan. 1, 2025

Language: Английский

Citations

5

Regulating the Energy Level of a Ratiometric Luminescent Europium(III) Metal–Organic Framework Sensor with Smartphone Assistance for Real-Time and Visual Detection of Carcinoid Biomarker DOI

Er−Li Wang,

Ling Li, Ji‐Yong Zou

et al.

Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

Regulating the energy level of a lanthanide (III) metal–organic framework (Ln-MOF) via an "antenna effect" is effective strategy for achieving ratiometric luminescent dynamics carcinoid biomarker sensing application. Herein, we present europium-based MOF material {[Eu(BPDC)(μ3–OH)(H2O)2]·2.5H2O}n (Eu-MOF, H2BPDC = 2,2′-bipyridine-4,4′-dicarboxylic acid and DMF N,N-dimethylformamide), incorporating tetranuclear cubane-like [Eu4(μ3–OH)4(COO)4]4– cluster cores, 5-hydroxyindole-3-acetic (5-HIAA) detection through influence Eu3+ ions sensitized by ligands as well 5-HIAA. Luminescence titration experiments indicate Eu-MOF can demonstrate simultaneous luminescence emission signals cations 5-HIAA, resulting in on–off 5-HIAA response to concentrations demonstrating superior stability excellent performance such low limit (LOD 37.16 nM), high selectivity (Ksv 2.39 × 104 M–1), fast (≤1 min), attractive recyclability (≥five times). Derived from contribution competitive absorption coordination interactions between exhibits visually observable color change red purple naked eye illuminated ultraviolet light, confirmed fabrication portable hydrogels. More importantly, smartphone assistance based on RGB chromaticity analysis has been developed intelligent Eu-MOF@PVA Eu-MOF@PU films have proposed real-time visual thereby enhancing practical applicability quantitative trace

Language: Английский

Citations

2

Ultra-low limit of luminescent detection of gossypol by terbium(III)-based metal-organic framework DOI
Xiaolin Yu, Alexey A. Ryadun, Аndrei S. Potapov

et al.

Journal of Hazardous Materials, Journal Year: 2023, Volume and Issue: 452, P. 131289 - 131289

Published: March 28, 2023

Language: Английский

Citations

42

Fluorescence sensing and device fabrication with luminescent metal–organic frameworks DOI

Ding-Gui Cai,

Teng‐Fei Zheng, Sui‐Jun Liu

et al.

Dalton Transactions, Journal Year: 2023, Volume and Issue: 53(2), P. 394 - 409

Published: Nov. 13, 2023

Recent progress in luminescent metal–organic frameworks for detecting ions, volatile organic compounds, biomolecules and environmental toxins device fabrication has been reviewed.

Language: Английский

Citations

23

Achieving On–Off Ratiometric Luminescence Dynamics in a Nanoporous Eu(III) Metal–Organic Framework for Neopterin Detection DOI

Er−Li Wang,

Ling Li, Ji‐Yong Zou

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(15), P. 17748 - 17758

Published: July 30, 2024

Thanks to the superior photoluminescence performance of lanthanide(III) ions sensitized by organic ligands via an "antenna effect" and host–guest interactions between a MOF material targeted analytes, nanoporous can achieve luminescence dynamics through influence thus endowing with ratiometric sensing application. Consequently, 3D Eu(III) based material, {[Eu(BPDC)(μ3–OH)(H2O)]·H2O·DMF}n (Eu-MOF, 2,2′-bipyridine-4,4′-dicarboxylic acid = H2BPDC), assembled H2BPDC ligand Eu3+ for achieving on–off inflammatory marker neopterin (Neo) detection, has been fabricated. The Eu-MOF is consist 1D Eu(μ3–OH) chains, which could further be connected deprotonated build framework, showing nanosized aperture ca. 12.6 Å × along a-direction. titration experiments demonstrate that exhibit simultaneous behavior Neo, regulating interactions. More importantly, visible color change observation from red bluish violet naked eyes in response concentrations Neo indicator facile achieved luminescent test strips portable hydrogels. A combination competitive absorption contribute confirmed UV–vis spectral overlap experiment density functional theory calculations.

Language: Английский

Citations

10

Biobased Intelligent Food-Packaging Materials with Sustained-Release Antibacterial and Real-Time Monitoring Ability DOI
Changchun Li, Jize Liu,

Wanhe Li

et al.

ACS Applied Materials & Interfaces, Journal Year: 2023, Volume and Issue: 15(31), P. 37966 - 37975

Published: July 28, 2023

It has been widely accepted that sustainable polymers derived from renewable resources are able to replace the short-turnover petroleum-based materials and reduce environmental impact in future. However, their hydrophilic chemical structures rich with oxygen groups could lead easy growth of bacteria, which greatly limit applications packaging materials. Here, we present an intelligent food-packaging material sustained-release antibacterial real-time monitoring ability based on totally biobased contents. In detail, sodium alginate Artemisia argyi emission oil (encapsulated gelatin-Arabic gum microcapsules) citric acid-sourced pH-responsive carbon quantum dots (CQDs) coated bamboo cellulose papers. The obtained composite (almost 100% biocarbon content) is extend shelf life fresh shrimps can be biodegraded. Moreover, owing introduction CQDs, rapidly (within 1 s) detect slight pH variations (response ∼5, 10-9 mol/L OH-) through obvious color change (hue value 305 355°). developed strategy may open up new opportunities design multifunctional composites for applications.

Language: Английский

Citations

22

Recent progress of crystalline porous organic frameworks as ratiometric fluorescence biosensing platforms DOI

Tianqun Song,

Zongyang Liu, Qinbai Yun

et al.

TrAC Trends in Analytical Chemistry, Journal Year: 2023, Volume and Issue: 171, P. 117500 - 117500

Published: Dec. 22, 2023

Language: Английский

Citations

21

Recent advances of fluorescence MOF-based sensors for the freshness of aquatic products DOI
Xiaoyu Du, Gan Wu,

Xilin Dou

et al.

Microchemical Journal, Journal Year: 2024, Volume and Issue: 203, P. 110901 - 110901

Published: June 1, 2024

Language: Английский

Citations

8

Regulating Ratiometric Fluorescence of Nanoporous Dual-Centered Lanthanide Metal–Organic Frameworks for Quantitative and Visual Detection of Anthrax Biomarkers DOI

Er−Li Wang,

Mei‐Feng Wu,

Ling Li

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(22), P. 25805 - 25814

Published: Oct. 31, 2024

Developing a sensitive, rapid, and accurate method for the quantitative visual detection of anthrax biomarker dipicolinic acid (DPA) is great significance to human health public safety. Due presence "antenna effect", sensitization Eu3+ ions Tb3+ can be facilely achieved by organic ligands with different degrees exhibits excellent luminescence behavior ions, enabling dual-centered lanthanide metal–organic framework (Ln-MOF) promising ratiometric fluorescence sensor trace DPA determination. Herein, we present series nanoporous frameworks, denoted as {EuxTb1–x(BPDC)(μ3-OH)(H2O)·H2O·DMF}n (EuxTb1–x-BPDC) assembled 2,2′-bipyridine-4,4′-dicarboxylic (H2BPDC), sensors DPA. Among these, Eu0.5Tb0.5-BPDC stands out optimal material, exhibiting superior performance quantitative, visual, detection. Moreover, demonstrates stability in aqueous solution capability remarkable sensitivity (limit (LOD) = 0.608 μM), selectivity (Ksv 6.46 × 106 M–1), anti-interference, impressive reusability. contribution blocked energy transfer between mixed-lanthanide competitive absorption DPA, color change observation from red greenish-yellow under illumination ultraviolet light. Most importantly, colorimetric test strips portable hydrogels, facilitating practical application

Language: Английский

Citations

8